Use and Care Manual

TOOL REST - DRILL BIT SIDE
SHARPEN COMMON DRILL BITS
Toll Free: 1-85-JOOLTOOL p.13 Buy supplies at WWW.JOOLTOOL.COM
Rotate the main PLATE to the DRILL BIT side (ICON).
Set the desired angle by aligning indicators on
LEFT-HAND post with the ANGLES indicator.
The most common setting is 118 degrees
Lock with LOCKING KNOB.
Select the guide slot of corresponding Bit diameter.
Sizes shown next to SLOTS are recommendations. Slide
the drill bit into the spinning disc. Ensure a secure, at
contact with the full length of the slot.
ICON
1
3
Rotate the drill bit on its main axis to sharpen all CUTTING
EDGES. Make sure each cutting edge is higher than its RELIEF.
(back of the ank). This will ensure the bit cuts well and extracts
drilled material properly. Slide the bit along the slot, away from
the disc and turn the JOOLTOOL OFF when done.
CUTTING
EDGE
RELIEF
4
(OPTIONAL)
Use 3M Radial Brushes (6 & 1 Micron)
to sweep the burr away from the
cutting edge or flute.
6 Micron
Item# R-362-6
1 Micron
Item# R-361-1
SLOT
SLOT
SLOT
RECOMMENDED
DRILL BIT SIZES
F
L
U
T
E
D
I
S
C
R
O
T
A
T
I
O
N
CUTTING
EDGE
RELIEF
ABRASIVE
D
I
S
C
R
O
T
A
T
I
O
N
ABRASIVE
The resulting drill bit angle will be as set in STEP 1. Use
coarse grade abrasives such as 3M Purple Ceramic to
regrind damaged bits. Use 3M Trizact for honing edges.
Tip: Use 3M Diamond Abrasives for Carbide Bits.
2
NOTE: Do not sharpen the FLUTES,
see “DEBURRING” below.
DRILL BIT
ANGLE
D
I
S
C
R
O
T
A
T
I
O
N
DEBURRING DRILL BITS & OTHER TOOLS